extremely

adverb

ex·​treme·​ly ik-ˈstrēm-lē 

1

: in an extreme manner

2

: to an extreme extent

Synonyms of extremely

• very
• incredibly
• terribly
• highly
• too
• so
• badly
• damned
• severely
• damn
• really
• super
• desperately
• intensely
• seriously
• far
• exceptionally

Examples of extremely in a Sentence

an extremely hot day

Recent Examples on the Web

At the extremely high redshifts relevant to BBN, this function approaches a value of approximately three. — Rupendra Brahambhatt, Interesting Engineering, 8 Nov. 2026

Someone swept into the ocean by a sneaker wave is at risk of succumbing to extremely cold water temperatures, the agency said. — Don Sweeney, Sacbee.com, 7 Nov. 2026

Although Congress has authority over the cultural behemoth, the White House has in just the last two years issued executive orders, been extremely hands-on in its public signage, and mounted pressure campaigns to fire directors and censor artworks. — Nate Freeman, Vanity Fair, 6 Nov. 2026

Unlike humans and other animals with rigid skeletons, octopuses have extremely flexible bodies built around what scientists call a muscular hydrostat, a system of muscles that provides both support and movement without bones. — Reuters, NBC news, 6 Nov. 2026

Word History

First Known Use

1509, in the meaning defined at sense 1

Phrases Containing extremely

• extremely high frequency
• extremely low frequency

Rhymes for extremely

• seemly
• unseemly